#1A516B
Closest named color: Deep Sea Blue (#015482). oklch(41.2% 0.071 232.9), rgb(26, 81, 107).
Aa
White text reads best on this color (8.63:1).
About this color
#1A516B is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.071 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.038 away. White text reads best on it, at 8.63:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.43:1 |
| White text | 8.63:1 |
Values
| HEX | #1A516B |
| RGB | rgb(26, 81, 107) |
| HSL | hsl(199, 61%, 26%) |
| OKLCH | oklch(41.2% 0.071 232.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1A516B | 8.63:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #1A516B | 2.43:1 | Fails | Lc 14.6 | Not readable |
| #1A516B text on white | 8.63:1 | AAA | Lc 89.4 | Fine for body text |
| #1A516B text on black | 2.43:1 | Fails | Lc -12.9 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A7C6D7
oklch(80.9% 0.041 231.9)
-
Step 400
400
#76A8C4
oklch(70.6% 0.067 233.5)
-
Step 500
500
#5092B5
oklch(63% 0.086 233.5)
-
Step 600
600
#317CA0
oklch(55.6% 0.092 232.7)
-
Step 700
700
#226889
oklch(48.9% 0.086 233.1)
-
Step 800
800 (this color)
#1A516B
oklch(41.2% 0.071 232.9)
-
Step 900
900
#20475A
oklch(37.8% 0.055 231.9)
-
Step 950
950
#142935
oklch(26.9% 0.035 235.2)
#1A516B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #44506C | 0.046 |
| Deuteranopia (no green cones) | #39486B | 0.039 |
| Tritanopia (no blue cones) | #00585A | 0.044 |
| Achromatopsia (no color) | #4C4C4C | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A516B
#1A516B
oklch(41.2% 0.071 232.9)
- #693F24
#693F24
oklch(41.2% 0.071 52.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1A516B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.038
- Deep Teal #00555A ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.038
- Light Navy #155084 ΔE 0.043
- Petrol #005F6A ΔE 0.045
- Charcoal #264653 ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.048
- Dark Teal #014D4E ΔE 0.053
Use #1A516B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.